AI Research Engineer

AI Research Engineer

  HiringMirror

  NASSAU, 11801, New York
  Full Time
  09-15-2026

 

Skills : Python, PyTorch,

 

Works on pretraining and post-training of foundation models — architecture experiments, training efficiency, alignment techniques (RLHF, DPO), and scaling research, often in collaboration with research scientists.

 

Job Description

 

Job Description:
Works on pretraining and post-training of foundation models — architecture experiments, training efficiency, alignment techniques (RLHF, DPO), and scaling research, often in collaboration with research scientists.

Key Skills:
- Deep learning theory and practice, transformer architectures
- Large-scale distributed training experience
- Research methodology, experiment design, reading/implementing papers quickly
- Python, PyTorch/JAX at an advanced level
- RLHF/DPO/alignment techniques knowledge

Experience Required:
- MS/PhD in ML/CS common, though strong independent research or open-source contributions can substitute
- 2–6 years in ML research or research engineering roles

 

Similar Jobs

RAG Or Retrieval Systems Engineer

HiringMirror

Specializes in retrieval-augmented generation architecture — building the search, indexing, and retrieval layer that grounds LLM outputs in accurate, up-to-date information.

  Full Time

  09-15-2026

  New York

Applied AI & LLM Product Engineer

HiringMirror

  Full Time

  09-15-2026

  New York

AI Research Engineer

HiringMirror

Works on pretraining and post-training of foundation models — architecture experiments, training efficiency, alignment techniques (RLHF, DPO), and scaling research, often in collaboration with research scientists.

  Full Time

  09-15-2026

  New York

Machine Learning Engineer

HiringMirror

Owns model development, training, and quality — building and improving the ML models (not just LLM wrappers) that power a product, from data pipeline to production deployment.

  Full Time

  09-15-2026

  New York

AI Infrastructure Engineer

HiringMirror

Owns the compute infrastructure that trains and serves AI models — GPU cluster management, distributed training pipelines, and inference serving at scale. A natural pivot for DevOps/backend infra engineers.

  Full Time

  09-10-2026

  New York